Increased heart rate caused by nicotine in the blood stream releasing hormones (such as adrenaline).
Increased blood pressure caused by nicotine in the blood stream. Can cause irregular heart beats as well.
Constricted blood vessels: nicotine constricts the blood vessels, slowing down the circulation of oxygen-rich blood to the organs.
Cancer of the mouth (including the lip, tongue, and cheek): mouth cancer is 1 of the 10 most common cancers in the world. The risk of mouth cancer is four times greater for the smokeless tobacco user. It is particularly high where the tobacco is placed.
Cancer of the throat: the risk of oral cancer is up to 50 times greater for the person who chews tobacco. The longer smokeless tobacco is used, the greater the risk.
Discoloration of teeth: the products in smokeless tobacco permanently stain teeth.
Halitosis: Bad breath caused by chewing tobacco is socially unacceptable and offensive.
Gum recession: The direct and repeated contact of tobacco with the gum tissue causes the gums to recede from the teeth. This eventually can lead to the loss of teeth.
Tooth decay: Smokeless tobacco contains high quantities of sugar. This sugar mixed with the plaque on your teeth forms acids that eat away at the tooth's enamel, causing cavities.